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/ Regex Generator

Describe what you want to match

Or select a common pattern

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Regex Generator

Generate regular expressions from common patterns with explanations

■ 01

What is a Regex Generator?

A regex generator helps you create regular expressions without memorizing complex syntax. Simply describe what you want to match or select from common patterns, and the tool generates the appropriate regex for you.

■ 02

How does it work?

This tool provides two ways to generate regex patterns: by description or by selecting common patterns. When you describe what you want to match, it analyzes your description and suggests an appropriate pattern. The too…

■ 03

Sample Cases

Covers Email validation, US Phone number, and IPv4 Address so you can compare common inputs and outputs quickly.

/ Code

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/ Integration

Source code from the selected tool, shown here alongside the live version on the right.

/ Source Code

TypeScript

typescript

// No external dependencies needed - uses built-in RegExp

interface RegexPattern {
  pattern: string;
  description: string;
}

// Common regex patterns library
const patterns: Record<string, RegexPattern> = {
  email: {